Timeline of Sussan Ley's expenses scandal

* In 2013 - Ley charges taxpayers for flights and taxis to attend a prominent businesswoman's lunch on the Gold Coast on New Year's Eve.

* In 2014 - Ley attends the same businesswoman's annual New Year's Eve event on the Gold Coast and charges taxpayers for travel costs.

* March 17, 2015 - Ley charters a VIP jet to the Gold Coast to attend a Pharmacy Guild conference in the afternoon at a cost of $12,000 to taxpayers.

* May 9, 2015 - Ley buys an investment property from a Liberal National Party donor during taxpayer-funded trip to Queensland to make a $1.3 billion drugs-funding announcement at Wesley's Hospital in Brisbane and meet Gold Coast patients.